All Questions
5
questions
2
votes
0
answers
109
views
Any theoretical reference for empirical equation for estimating oxygen saturation (% SpO2 = 110 - 25*R)? [closed]
The empirical equation used to estimate % SpO2 is based on the observation that the ratio of the red and infrared light absorbed by arterial blood (represented by R in the equation) varies linearly ...
0
votes
2
answers
164
views
Pressure sensor without using MEMS chips [closed]
I'd like to figure out how to make a pressure sensor for very low cost (essentially disposable), mass produced piece of medical equipment.
The problem: this can't use any parts which aren't already ...
- 3,491
0
votes
2
answers
189
views
How to measure body temprature and HBR with just one IR transmitter and receiver
I want to measure body temperature and heartbeat rate only with a IR receiver and transmitter. How could I do that? Is it an accurate method? Or I have to use IR temperature sensor for this.
- 222
0
votes
3
answers
210
views
Surface-Mount Prototyping (AXL 335 & SFH 7050)
I'm working on a senior project and I'm having some trouble prototyping with surface mount components. I know you can find SMT adapters out there for most SMT chips and components, but I've been ...
3
votes
1
answer
825
views
Make an electronic Stethoscope
I've seen some kind of electronic stethoscope that can capture heart beat rate and filter it with so many other features.
Main oscope of my questoin is about capturing heart sound. There is many ways ...
- 510